AR_PHY_FIND_SIG_LOW  119 drivers/net/wireless/ath/ath9k/ar9002_phy.h #define AR_PHY_FIND_SIG_LOW           0x9840
AR_PHY_FIND_SIG_LOW   67 drivers/net/wireless/ath/ath9k/ar9003_phy.h #define AR_PHY_FIND_SIG_LOW  (AR_CHAN_BASE + 0x20)